EP2313213A2 - Dichtungselement zur abdichtung eines walzenlagers, walzenlager und verfahren zum montieren des dichtungselementes - Google Patents
Dichtungselement zur abdichtung eines walzenlagers, walzenlager und verfahren zum montieren des dichtungselementesInfo
- Publication number
- EP2313213A2 EP2313213A2 EP09777664A EP09777664A EP2313213A2 EP 2313213 A2 EP2313213 A2 EP 2313213A2 EP 09777664 A EP09777664 A EP 09777664A EP 09777664 A EP09777664 A EP 09777664A EP 2313213 A2 EP2313213 A2 EP 2313213A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing element
- roll
- roller
- roller bearing
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 238000005096 rolling process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000011324 bead Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 230000007704 transition Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/078—Sealing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
Definitions
- the invention relates to a sealing element for sealing a roller bearing against a roll neck of a roller, wherein the sealing element comprises:
- the invention further relates to a roller bearing and a method for mounting the sealing element.
- a sealing device for roller bearings in which on the roll neck of a roller a pin bushing with a pin bushing extension is arranged rotationally fixed.
- the spigot bushing extension is formed with a sealing element that closes the gap between the spigot bushing extension and the surface of the transition area between roll neck and roller. This prevents ingress of foreign bodies, for example coolant or roller sinter, and leakage of oil from the lubrication and possibly existing abrasion from wear between the roll neck or roller cone and the neck bushing.
- the illustrated sealing element has a circular cross-section and is arranged in a groove arranged circumferentially on the spigot bushing extension.
- SMS Demag a seal device is disclosed in which the seal tion element has a rectangular contour and is arranged in a corresponding groove in the spigot bushing extension. By a projecting from the rectangular contour of the sealing element sealing lip of the gap between Zapfenbuchsenverinrung and transition region is closed.
- the position of the sealing element can be changed.
- the extraction of the sealing element can be done both on the entire circumference - when adhering the sealing lip - as well as in a small area, when the spigot bushing has no circumferential gap when pushed or pulled off, but rests in one area. At this point, the sealing element is clamped and pulled out of the groove.
- the invention is therefore based on the object réelle show a sealing element that remains stationary in the groove, but can be easily replaced.
- the Rastein direction consists of a survey and a depression, which are engaged with each other.
- a particular embodiment provides that the elevation is formed in the first part remote from the shaft journal on its side close to the roller and / or its roller-remote side and the recess in the roller-remote side or the roller-near side of the groove.
- the recess be formed as an annular groove and / or the survey as an annular bead.
- Such a design simplifies installation and removal because of a uniform transition.
- the incorporation or engagement of the sealing element is facilitated in particular by the provision of an inwardly directed conical outlet on the annular bead.
- the first roll pin remote part and the second roll pin near part of the sealing element are integrally formed. This is not precluded that different materials for clamping in the groove and the sealing lips can be used.
- the roller bearing has a spigot bushing and a spigot bushing extension fastened thereto, and that the circumferential groove is formed in the spigot bushing extension.
- the design of the roller bearing in two components makes it possible to introduce the groove into only one of the separate components, in particular the journal bushing extension. In case of a change to the groove then only the spigot bushing extension must be replaced. Conversely, when replacing the spigot bushing, the spigot bushing extension with the groove need not be renewed.
- roller bearing according to claim 9 This is characterized by a roller bearing side part of a locking device in the circumferential groove for locking with a seal-side part of the locking device in the roll pin remote part of the sealing element.
- the stated object is finally achieved by a method for mounting a sealing element in a roller bearing, comprising the steps of: 1) inserting the sealing element in a circumferential groove of the roller bearing and 2) locking the sealing element in the circumferential groove.
- FIG. 2 shows a cross section through a roller bearing with the sealing element according to the invention after a first assembly step
- Figure 1 shows a cross section through a roller 1 with a roll neck 2.
- a sealing element 3 in connection with a pin bushing 4 and a pin bushing extension 5, which are rotatably mounted on the roll neck 2, pushed.
- the roll neck 2 with the rotatably mounted on it pin bushing 4 is rotatably mounted in a bearing housing 6 with bearing bush 7. Between the journal bush 4 rotating relative to the bearing bush 7 and the bearing bush, an oil film is formed in the gap 4.4.
- Such a bearing is typically used in a rolling stand (not shown), which roll is used for rolling steel and non-ferrous metals.
- the sealing element 3 In the assembled state, the sealing element 3 between pin and socket extension 5 and the roll neck 2 and a transition region 8, which extends between the roller 1 and the roll neck 2, positioned.
- the sealing element is typically ring-shaped and is - in the assembled state - preferably pressed by means of an annular spring 14 on the pin 2 and the transition region 8.
- the pin bushing extension 5 is formed with a groove 9.
- a first roll pin remote part 10 of the sealing element 3 is engaged, while a second roller pin near part 11 of the sealing element 3, which is formed for example with one or two sealing lips 11.1, 11.2, rests against the roll neck.
- the first off-axis part 10 of the seal Element 3 shows in cross-section the shape of a rectangle. Adapted to this shape and the corresponding dimensions, the groove 9 is formed.
- the required oil film between the bushing 7 and the pin bushing 4 in the gap 4.4 is fed by an oil supply to the plain bearing (not visible in Figure 1).
- the oil pockets 4.2 are fed through the holes 4.3, because oil pressure in the gap 4.4 is greater than in the pockets 4.2. From the oil pocket 4.2 oil diffuses during operation of the roller bearing in the annulus 15. From there, the oil can flow through the channels 5.2 and 6.2 radially.
- the sealing element 3 serves to seal the annular space 15 against an annular gap 17.
- the sealing element 3 and its roller-tooth-near part 11 prevents the diffusion of oil from the annular space 15 into the annular gap 17.
- the assembly of the sealing element 3 in the roller bearing is divided into two steps in principle:
- step 1) the sealing element is initially used only at one point of the circumferential groove 9 in the rolling bearing, in particular in the journal bushing extension. Subsequently, in step 2), the sealing element 3 is locked at this location, preferably by pressing in by hand. Subsequently, from this point, preferably continuously on both sides along the circumference, more and more sections of the sealing element 3 are engaged in the groove until finally the entire sealing element is engaged along the entire circumferential groove.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008038997A DE102008038997A1 (de) | 2008-08-08 | 2008-08-08 | Dichtungselement zur Abdichtung eines Walzenlagers, Walzenlager und Verfahren zum Montieren des Dichtungselementes |
PCT/EP2009/005661 WO2010015392A2 (de) | 2008-08-08 | 2009-08-05 | Dichtungselement zur abdichtung eines walzenlagers, walzenlager und verfahren zum montieren des dichtungselementes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2313213A2 true EP2313213A2 (de) | 2011-04-27 |
EP2313213B1 EP2313213B1 (de) | 2013-07-31 |
Family
ID=41528171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09777664.5A Not-in-force EP2313213B1 (de) | 2008-08-08 | 2009-08-05 | Dichtungselement zur abdichtung eines walzenlagers, walzenlager und verfahren zum montieren des dichtungselementes |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110142385A1 (de) |
EP (1) | EP2313213B1 (de) |
CN (1) | CN102119062A (de) |
BR (1) | BRPI0917437A2 (de) |
DE (1) | DE102008038997A1 (de) |
RU (1) | RU2470728C2 (de) |
WO (1) | WO2010015392A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2640986B1 (de) * | 2010-11-16 | 2015-07-15 | Roller Bearing Company of America, Inc. | Gelenklager und montageverfahren dafür |
US9358595B2 (en) | 2011-09-28 | 2016-06-07 | Siemens Industry, Inc. | Rolling stand roll neck seal |
JP6683130B2 (ja) * | 2014-11-11 | 2020-04-15 | Nok株式会社 | ダストシール |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2255816A5 (de) * | 1973-12-19 | 1975-07-18 | Dechavanne Jacques | |
US4022480A (en) * | 1975-10-07 | 1977-05-10 | Morgan Construction Company | Neck seal |
US4026563A (en) * | 1976-03-23 | 1977-05-31 | Garlock Inc | Oil seal with locking bead and O. D. sealing rib |
US4790673A (en) * | 1987-03-30 | 1988-12-13 | Morgan Construction Company | Rock neck bearing assembly and inner bearing component therefor |
US4898479A (en) * | 1987-03-30 | 1990-02-06 | Morgan Construction Company | Roll neck bearing assembly and inner bearing component therefor |
SU1669119A1 (ru) * | 1989-04-11 | 1999-08-20 | С.Н. Кудрявцев | Уплотнение подшипника жидкостного трения |
US6053502A (en) * | 1995-01-13 | 2000-04-25 | Ab Volvo Penta | Seat for a sealing ring |
RU2151927C1 (ru) * | 1996-07-09 | 2000-06-27 | Акционерное общество "Электростальский завод тяжелого машиностроения" | Уплотнительный узел подшипника жидкостного трения |
US5855375A (en) * | 1997-05-12 | 1999-01-05 | General Motors Corporation | Seal for steering assist fluid motor |
DE10113593A1 (de) * | 2001-03-20 | 2002-09-26 | Sms Demag Ag | Dichtungsvorrichtung für Walzenlager |
DE10113869A1 (de) * | 2001-03-21 | 2002-09-26 | Sms Demag Ag | Dichtungsvorrichtung für Walzenlager mit Ausgleich radialen Versatzes |
JP2003113947A (ja) * | 2001-10-01 | 2003-04-18 | Ntn Corp | シール装置およびそれを備えた転がり軸受並びにクラッチ装置 |
US7467796B2 (en) * | 2004-08-12 | 2008-12-23 | Morgan Construction, Company | Bearing seal with flexible lip |
-
2008
- 2008-08-08 DE DE102008038997A patent/DE102008038997A1/de not_active Withdrawn
-
2009
- 2009-08-05 US US13/058,041 patent/US20110142385A1/en not_active Abandoned
- 2009-08-05 EP EP09777664.5A patent/EP2313213B1/de not_active Not-in-force
- 2009-08-05 WO PCT/EP2009/005661 patent/WO2010015392A2/de active Application Filing
- 2009-08-05 RU RU2011108282/02A patent/RU2470728C2/ru not_active IP Right Cessation
- 2009-08-05 CN CN200980131623XA patent/CN102119062A/zh active Pending
- 2009-08-05 BR BRPI0917437A patent/BRPI0917437A2/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2010015392A2 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0917437A2 (pt) | 2015-12-01 |
US20110142385A1 (en) | 2011-06-16 |
WO2010015392A2 (de) | 2010-02-11 |
DE102008038997A1 (de) | 2010-02-18 |
CN102119062A (zh) | 2011-07-06 |
RU2470728C2 (ru) | 2012-12-27 |
EP2313213B1 (de) | 2013-07-31 |
WO2010015392A3 (de) | 2010-04-29 |
RU2011108282A (ru) | 2012-09-20 |
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